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Duplex Mains Four Transportable

Duplex Mains Four Transportable ; McMichael Ltd., (ID = 1760195) Radio
 
Duplex Mains Four Transportable ; McMichael Ltd., (ID = 1760197) Radio
 
Duplex Mains Four Transportable ; McMichael Ltd., (ID = 1760199) Radio
 
Duplex Mains Four Transportable ; McMichael Ltd., (ID = 1760202) Radio
 
Duplex Mains Four Transportable ; McMichael Ltd., (ID = 1760204) Radio
 
Duplex Mains Four Transportable ; McMichael Ltd., (ID = 1760205) Radio
 
Duplex Mains Four Transportable ; McMichael Ltd., (ID = 1760206) Radio
 
Duplex Mains Four Transportable ; McMichael Ltd., (ID = 1760208) Radio
 
Duplex Mains Four Transportable ; McMichael Ltd., (ID = 1760212) Radio
 
Duplex Mains Four Transportable ; McMichael Ltd., (ID = 1760213) Radio
Duplex Mains Four Transportable ; McMichael Ltd., (ID = 1459461) Radio Duplex Mains Four Transportable ; McMichael Ltd., (ID = 354018) Radio
Duplex Mains Four Transportable ; McMichael Ltd., (ID = 1103362) Radio Duplex Mains Four Transportable ; McMichael Ltd., (ID = 1304504) Radio
Duplex Mains Four Transportable ; McMichael Ltd., (ID = 1502345) Radio
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Duplex Mains Four Transportable ; McMichael Ltd., (ID = 1459461) Radio
McMichael Ltd.,: Duplex Mains Four Transportable [Radio] ID = 1459461 608x720
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For model Duplex Mains Four Transportable, McMichael Ltd., Slough
 
Country:  Great Britain (UK)
Manufacturer / Brand:  McMichael Ltd., Slough
alternative name
 
McMichael, Leslie
Year: 1932 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: MM4V or MS4B SP4 or AC/HL 354V Pen4VA_5pin or AC/Pen_5pin
Semiconductors (the count is only for transistors) Metal-rectifier
Main principle TRF (Tuned-Radio-Frequency but use of regeneration unknown)
Wave bands Broadcast (MW) and Long Wave.
Details
Power type and voltage Alternating Current supply (AC)
Loudspeaker -Loudspeaker incorporated, but system not known.
Power out
from Radiomuseum.org Model: Duplex Mains Four Transportable - McMichael Ltd., Slough
Material Wooden case
Shape Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
Dimensions (WHD) 16.5 x 19.25 x 10 inch / 419 x 489 x 254 mm
Notes

Metal rectifier. Internal frame aerial.

Also called "Duplex Four Mains Transportable".

In reality many types of Tubes/Valves "work". The maker's recommended list isn't known yet. The MS4B would be a Marconi recommendation.

Price in first year of sale 22.05 GBP
Source of data Radio! Radio!
Literature/Schematics (1) -- Original prospect or advert

Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.



All listed radios etc. from McMichael Ltd., Slough
Here you find 180 models, 111 with images and 119 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



 


Forum contributions about this model
McMichael Ltd.,: Duplex Mains Four Transportable
Threads: 1 | Posts: 1
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mcmichael: Duplex Mains Four Transportable
Roman Kupperman
27.May.10
  1

Tubes:

First HF TM4150, second HF VSM4,Detect. MHL4, Powertube ACPEN, Rectifier selenium

 
McMichael Ltd.,: Duplex Mains Four Transportable
End of forum contributions about this model

  
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